[project @ 2005-10-09 14:17:41 by ajt]

[project @ 2005-10-09 14:17:41 by ajt]
restructure User.pm (deal with perl objects by preference instead
of a usertag hash) and add support for user categories.

darcs changelog:
  * first pass refactoring of User.pm
  * make locking functional
  * add support for unknown stanzas, and first pass at reading usercategories
  * fix writing of unknown stanzas with multiline fields
  * deal with multiline fields that don't have a summary line
  * remove categories-by-cookie support, restructure category handling for
    proper user-categories
  * convert from add_usertags to add_user syntax
  * cope with new user ids
  * drop support for Prefix in the user files
  * add support for recording categories
  * finish off support for usercategory command
  * finish adding support for user categories